<template>
  <div ref="wrapper">
      <div>
        <slot></slot>
      </div>
  </div>
</template>

<script>
import BScroll from 'better-scroll'

export default {
    name: "Scroll",
    props: {
      probeType: {
        type: Number,
        default: 0
      },
      pullUpLoad: {
        type: Boolean,
        default: false
      }
    },
    data() {
      return {
        scroll: null
      }
    },
    mounted() {
      //创建BScrroll对象
        this.scroll = new BScroll(this.$refs.wrapper,{
          click:true,
          probeType: this.probeType,
          pullUpLoad: this.pullUpLoad
        }),
        //监听上拉事件
        this.scroll.on('pullingUp', ()=>{
          this.$emit('pullingUp')
        })
        //监听滚动的位置
        this.scroll.on('scroll', (position) =>{
          //console.log(position);
          this.$emit('scroll',position)
        })
    },
    methods: {
      finishPullUp(){
        this.scroll.finishPullUp()
      },
      refresh(){
        this.scroll.refresh()
      },
      getScrollY(){
        return this.scroll ? this.scroll.y : 0
      }
    }
}
</script>

<style scoped>
</style>